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Help please !!! Thanks guys
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19 votes
Help please !!! Thanks guys

Help please !!! Thanks guys-example-1
User Reza Jooyandeh
by
4.8k points

1 Answer

7 votes
Answer:
(b+4) and (b-1)
Explanation:
do a generic rectangle
b times b is b^2
b times 4 = 4b
-1 times b = -1b
-1 times 4 = -4
b^2+4b-1b-4
simplify
b^2+3b-4
User Daniel Becroft
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5.3k points
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